9.1 Mathematical Patterns

What are the first 4 terms of...

f(n) = 3(2)^n,

• 6, 12, 24, 48...

• 6,18, 54,162

• 3, 6, 12, 24...

• 3, 6, 9, 12...

What are the first 4 terms of...

f(n) = -3n + 2

• 2, -1, -4, -7

• 3, 1, -1, -3

• 3, 0, -3, -6

• -1, -4, -7, -10

Create a rule for the sequence:

2, 8, 14, 20, ...

• f(n) = 6n + 2

• f(n) = 2n + 6

• f(n) = 6n - 4

• f(n) = n + 6

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

Tags

CCSS.HSF.BF.A.2

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

Tags

CCSS.HSF.BF.A.2

What is the 10th term of the sequence an = 20-2n

• 40
• -20
• 7
• 0

Tags

CCSS.HSF.BF.A.2

Given the first five terms, write the recursive formula.
15, 12, 9, 6, 3 ....

• u₁ = 15
  u_n = u_n-1 + 3
• u₀ = 15
  u_n = u_n-1 + 3
• u₁ = 15
  u_n = u_n-1 - 3 
• u₀ = 15
  u_n = u_n-1 - 3

Given the sequence 4, 11, 18, 25...... what is a₃ ?

• 4

• 11

• 18

• 25

A sequence is _______.

• a set of numbers in a specific order.

• a formula used to find a number.

• the term after a_n.

• a collection of data.

Which sequence has a pattern of "multiply by 4?"

• 2, 4, 8, 16,...

• 4, 12, 36, 108,...

• 1, 4, 7, 10,...

• 3, 12, 48, 192,...